@misc{cryptoeprint:2011:703,
    author = {Dennis Hofheinz and Tibor Jager},
    title = {Waters Signatures with Optimal Security Reduction},
    howpublished = {Cryptology ePrint Archive, Report 2011/703},
    year = {2011},
    url = {http://eprint.iacr.org/2011/703},
}