@misc{cryptoeprint:2015:431, author = {Nuttapong Attrapadung and Goichiro Hanaoka and Shota Yamada}, title = {Conversions among Several Classes of Predicate Encryption and Applications to ABE with Various Compactness Tradeoffs}, howpublished = {Cryptology ePrint Archive, Report 2015/431}, year = {2015}, url = {https://eprint.iacr.org/2015/431}, }