Select the 'eduroam' network and enter your login firstname.lastname@example.org or e-mailaddress and your UGent password when asked
(DO NOT FORGET "@ugent.be").
The first time you connect, the question whether you trust the certificate that is presented by the network appears. This is a normal security question.
The certificate is TERENA SSL CA 3. The "radius server" is ugnps.UGent.be.