@misc{cryptoeprint:2010:492,
    author = {Angelo De caro and Vincenzo Iovino and Giuseppe Persiano},
    title = {Efficient Fully Secure (Hierarchical) Predicate Encryption for Conjunctions, Disjunctions and k-CNF/DNF formulae},
    howpublished = {Cryptology ePrint Archive, Report 2010/492},
    year = {2010},
    url = {http://eprint.iacr.org/2010/492},
}