@misc{cryptoeprint:2012:627,
    author = {Laila el Aimani and Olivier Sanders},
    title = {Efficient Group Signatures in the Standard Model},
    howpublished = {Cryptology ePrint Archive, Report 2012/627},
    year = {2012},
    url = {http://eprint.iacr.org/2012/627},
}