@misc{cryptoeprint:2007:171,
    author = {Ran Canetti and Susan Hohenberger},
    title = {Chosen-Ciphertext Secure Proxy Re-Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2007/171},
    year = {2007},
    url = {http://eprint.iacr.org/2007/171},
}