@misc{cryptoeprint:2010:420,
    author = {Stanislav Bulygin and Albrecht Petzoldt and Johannes Buchmann},
    title = {Towards provable security of the Unbalanced Oil and Vinegar signature scheme under direct attacks},
    howpublished = {Cryptology ePrint Archive, Report 2010/420},
    year = {2010},
    url = {http://eprint.iacr.org/2010/420},
}