@inproceedings{STOC-2003-GennaroGK,
	author        = "Rosario Gennaro and Yael Gertner and Jonathan Katz",
	booktitle     = "{Proceedings of the 35th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/780542.780604",
	isbn          = "1-58113-674-9",
	pages         = "417--425",
	publisher     = "{ACM}",
	title         = "{Lower bounds on the efficiency of encryption and digital signature schemes}",
	year          = 2003,
}