@misc{cryptoeprint:2005:433,
    author = {Giuseppe Ateniese and Susan Hohenberger},
    title = {Proxy Re-Signatures: New Definitions, Algorithms, and Applications},
    howpublished = {Cryptology ePrint Archive, Report 2005/433},
    year = {2005},
    url = {http://eprint.iacr.org/2005/433},
}