@inproceedings{Ma06, author = {Mark Manulis}, title = {Democratic {G}roup {S}ignatures - {O}n an {E}xample of {J}oint {V}entures - {F}ast {A}bstract}, booktitle = {Proceedings of ACM Symposium on Information, Computer and Communications Security (ASIACCS'06)}, pages = {365}, year = {2006}, publisher = {ACM Press}, isbn = {1-59593-272-0}, note = {Full version at: \url{http://eprint.iacr.org/2005/446}}, }