@misc{cryptoeprint:2007:450,
    author = {Xiaohui Liang and Zhenfu Cao and Jun Shao and Huang Lin },
    title = {Short Group Signature without Random Oracles },
    howpublished = {Cryptology ePrint Archive, Report 2007/450},
    year = {2007},
    url = {http://eprint.iacr.org/2007/450},
}