@misc{cryptoeprint:2012:655,
    author = {Kwangsu Lee and Intae Kim and Seong Oun Hwang},
    title = {Privacy Preserving Revocable Predicate Encryption Revisited},
    howpublished = {Cryptology ePrint Archive, Report 2012/655},
    year = {2012},
    url = {http://eprint.iacr.org/2012/655},
}