@misc{cryptoeprint:2015:858,
    author = {Olivier Blazy and Saqib A. Kakvi},
    title = {Skipping the $q$ in Group Signatures},
    howpublished = {Cryptology ePrint Archive, Report 2015/858},
    year = {2015},
    url = {https://eprint.iacr.org/2015/858},
}