@inproceedings{HRSV07,
	Author = {S. Hohenberger and G. Rothblum and Abhi Shelat and V. Vaikuntanathan},
	Booktitle = {Theory of Cryptography Conference (TCC)},
	Title = {Securely Obfuscating Re-Encryption},
	Year = {2007},
	pages= {233--252}
}