Following setting should do the trick:

network name/(ESSID) is "eduroam" or "UIBK".
the wireless Network Authentication type is "WPA2 Enterprise".
the Data Encryption method to use is AES.

Use following user authentication settings:

the EAP Authentication Type: is PEAP.
the Authentication Method is MS-CHAPv2.
Your Username and Password will be the ones given form the Univeristy (c-number):
User: cXXXXX (@uibk.ac.at).
Password: same as for your c-account.

Further infomration: http://www.uibk.ac.at/zid/netz-komm/wlan/eduroam.html
Extended Configuration Instructions: http://www.uibk.ac.at/zid/netz-komm/wlan/

Please contact your system administrator.