ssh password authentication: use a graphical prompt?

I'm working on an assignment where our work group was given access to a git repository for our submissions, but the server only supports password authentication for students. So, when I use my graphical git client, the password prompt is given on the console. I usually don't start my git client from a console, so is there a way to get ssh to use a graphical prompt for password authentication, and/or store the password for the session, as I'm used from public key authentication?

OS: Xubuntu 13.04Git: 1.8.1.2Client: SmartGit/Hg 4.6.5