@misc{cryptoeprint:2012:068,
    author = {Sidi Mohamed El Yousfi Alaoui, Özgür Dagdelen, Pascal Véron,  David Galindo, and Pierre-Louis Cayrel},
    title = {Extended Security Arguments for (Ring) Signature Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2012/068},
    year = {2012},
    url = {http://eprint.iacr.org/2012/068},
}