Call it a badge, sticker, button, or whatever you'd like. Create yours below. Pick some colors, enter some text, and you'll get a button you can download for your site.
M. Ashikmin, S. Premoze, и P. Shirley. Proceedings of the 27th Annual Conference on Computer Graphics and Interactive Techniques, стр. 65--74. New York, NY, USA, ACM Press/Addison-Wesley Publishing Co., (2000)