Cryptology ePrint Archive: BibTeX Citation of Report 2006/464

@misc{cryptoeprint:2006:464,
    author = {Giuseppe Ateniese and Jan Camenisch and Marc Joye and Gene Tsudik},
    title = {Remarks on "Analysis of One Popular Group Signature Scheme'' in Asiacrypt 2006},
    howpublished = {Cryptology ePrint Archive, Report 2006/464},
    year = {2006},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.