@misc{cryptoeprint:2012:326,
    author = {Allison Lewko and Brent Waters},
    title = {New Proof Methods for Attribute-Based Encryption: Achieving Full Security through Selective Techniques},
    howpublished = {Cryptology ePrint Archive, Report 2012/326},
    year = {2012},
    url = {http://eprint.iacr.org/2012/326},
}