I've made mine with a printer, with fabric pens but also found these cute paper pieced ones from Clotilde.
http://www.clotilde.com/detail.html?code=425290
I actually ended up designing a paper pieced one for my last quilt.
Paper Pieced Quilt Label
[ATTACH=CONFIG]27733[/ATTACH]
Label made on computer
[ATTACH=CONFIG]27734[/ATTACH]