@INPROCEEDINGS{cgUCL-LPY12,
 	AUTHOR={Libert, Benoit and Peters, Thomas and Yung, Moti},
	TITLE={{Group Signatures with Almost-for-free Revocation}},
	BOOKTITLE={Crypto 2012},
	PUBLISHER={Springer},
	EDITOR={R. Safavi-Naini & R. Canetti},
	SERIES={Lecture Notes in Computer Science},
	VOLUME={7417},
	PAGES={571-589},
	MONTH={8},
	YEAR={2012},
}