@misc{cryptoeprint:2005:041,
    author = {Lihua Liu and Zhengjun Cao},
    title = {On the Security of a Group Signature Scheme with Strong Separability},
    howpublished = {Cryptology ePrint Archive, Report 2005/041},
    year = {2005},
    url = {http://eprint.iacr.org/2005/041},
}