@misc{cryptoeprint:2008:091,
    author = {Mridul Nandi},
    title = {A Generic Method to Extend Message Space of a Strong Pseudorandom Permutation},
    howpublished = {Cryptology ePrint Archive, Report 2008/091},
    year = {2008},
    url = {http://eprint.iacr.org/2008/091},
}