@misc{cryptoeprint:2017:453,
    author = {Johannes Bl\"{o}mer and Gennadij Liske},
    title = {Subtleties in Security Definitions for Predicate Encryption with Public Index},
    howpublished = {Cryptology ePrint Archive, Report 2017/453},
    year = {2017},
    url = {https://eprint.iacr.org/2017/453},
}