@misc{cryptoeprint:2008:020,
    author = {Eike Kiltz and Yevgeniy Vahlis},
    title = {CCA2 Secure IBE: Standard Model Efficiency through Authenticated Symmetric Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2008/020},
    year = {2008},
    url = {http://eprint.iacr.org/2008/020},
}