@misc{cryptoeprint:2001:048,
    author = {Gene Itkis and Leonid Reyzin},
    title = {Forward-Secure Signatures with Optimal Signing and Verifying},
    howpublished = {Cryptology ePrint Archive, Report 2001/048},
    year = {2001},
    url = {http://eprint.iacr.org/2001/048},
}