@misc{cryptoeprint:2005:385,
    author = {Giuseppe Ateniese and Jan Camenisch and Susan Hohenberger and Breno de Medeiros},
    title = {Practical Group Signatures without Random Oracles},
    howpublished = {Cryptology ePrint Archive, Report 2005/385},
    year = {2005},
    url = {http://eprint.iacr.org/2005/385},
}