@misc{cryptoeprint:2008:509,
    author = {Jian Weng and Robert H. Deng and Shengli Liu and Kefei Chen and Junzuo Lai and Xuan Wang},
    title = {Chosen-Ciphertext Secure Proxy Re-Encryption Schemes without Pairings},
    howpublished = {Cryptology ePrint Archive, Report 2008/509},
    year = {2008},
    url = {http://eprint.iacr.org/2008/509},
}