@misc{cryptoeprint:2012:671,
    author = {Tatsuaki Okamoto and Katsuyuki Takashima},
    title = {Fully Secure Unbounded Inner-Product and Attribute-Based Encryption},
    howpublished = {Cryptology ePrint Archive, Report 2012/671},
    year = {2012},
    url = {http://eprint.iacr.org/2012/671},
}