If anyone needs a .tek file to use sky 130 in ASITIC, just copy-paste this and there you go.
I checked the results against commercial tools and the agreement is "quite good" (no, I didn't do any kind of study, just saw that the nominal values were close enough)
; Sample CMOS technology file
<chip>
chipx = 512 ; dimensions of the chip in x direction
chipy = 512 ; dimensions of the chip in y direction
fftx = 128 ; x-fft size (must be a power of 2)
ffty = 128 ; y-fft size
TechFile = sky130.tek
TechPath = .
freq = 60 ; frequency of operation
eddy = 1
<layer> 0 ; p(-) bulk layer
rho = 16 ; ohm-cm
t = 500 ; microns
eps = 11.9
<layer> 1 ; p well
rho = 0.082 ; ohm-cm
t = 0.75 ; microns
eps = 11.9
<layer> 2 ; FOX+PSG
rho = 1e10
t = 0.936
eps = 3.9
<layer> 3 ; Equivalent LINT+NID2
rho = 1e10
t = 0.44
eps = 4.38
<layer> 4 ; NILD3
rho = 1e10
t = 0.63
eps = 4.5
<layer> 5 ; NILD4
rho = 1e10
t = 0.72
eps = 4.2
<layer> 6 ; NILD5
rho = 1e10
t = 1.235
eps = 4.1
<layer> 7 ; NILD6
rho = 1e10
t = 1.35
eps = 4
<layer> 8 ; Equivalent PASSIVATION
rho = 1e10
t = 1.89
eps = 6.63
<metal> 0 ; substrate p+ tap
layer = 1 ; in oxide layer
rsh = 197000 ; sheet resistance3
t = 0.1 ; thickness
d = 0.65 ; distance from bottom of layer
name = diff
color = dark yellow
<metal> 1 ; poly
layer = 2 ; in oxide layer
rsh = 48200 ; sheet resistance3
t = 0.18 ; thickness
d = 0.3262 ; distance from bottom of layer
name = poly
color = red
<metal> 2
layer = 3
rsh = 12800
t = 0.1
d = 0
name = li
color = LightSkyBlue1
<metal> 3
layer = 4
rsh = 125
t = 0.36
d = 0
name = m1
color = medium blue
<metal> 4
layer = 5
rsh = 125
t = 0.36
d = 0
name = m2
color = light pink
<metal> 5
layer = 6
rsh = 47
t = 0.845
d = 0
name = m3
color = light green
<metal> 6
layer = 7
rsh = 47
t = 0.845
d = 0
name = m4
color = dark blue
<metal> 7
layer = 8
rsh = 29
t = 1.26
d = 0
name = m5
color = yellow
<via> 0 ; tap to li
top = 2
bottom = 0
r = 15
width = .17
space = 0.19
overplot1 = .12 ; to metal 1
overplot2 = .08 ; to metal 2
name = licon_diff
color = white
<via> 1 ; poly to li
top = 2
bottom = 1
r = 15
width = .17
space = 0.19
overplot1 = .05 ; to metal 1
overplot2 = .08 ; to metal 2
name = licon_poly
color = white
<via> 1 ; li to metal 1
top = 3
bottom = 2
r = 152
width = .17
space = 0.19
overplot1 = .08
overplot2 = .06
name = mcon
color = grey
<via> 2 ; metal 1 to metal 2
top = 4
bottom = 3
r = 4.5
width = .15
space = 0.17
overplot1 = .085
overplot2 = .085
name = via1
color = purple
<via> 3 ; metal 2 to metal 3
top = 5
bottom = 4
r = 3.41
width = .2
space = 0.2
overplot1 = .085
overplot2 = .085
name = via2
color = orange
<via> 4 ; metal 3 to metal 4
top = 6
bottom = 5
r = 3.41
width = .2
space = 0.35
overplot1 = .09
overplot2 = .09
name = via3
color = green
<via> 5 ; metal 4 to metal 5
top = 7
bottom = 6
r = 0.38
width = .8
space = 0.8
overplot1 = .19
overplot2 = .31
name = via4
color = light yellow