I'm little confused as to what stkey is? Is it a word list based on the default key's used by Thomson routers or is it a precalculated PMK?...If its a word list, you can use John the Ripper or...

I figured it out, most ppl use pyrit with airolib so they can use GPU.

Maybe I'm missing something but to me it seems like airolib is obsolete as is right now. It takes longer to make a database with airolib than it would take to feed the same dictionary into aircrack....

Unless if your wordlist is located in "pentest/passwords/jtr" you need to define the path