@ARTICLE{cgUCL-KLPT14,
 	AUTHOR={Kohel, David and Lauter, Kristin and Petit, Christophe and Tignol, Jean-Pierre},
	TITLE={{On the quaternion $\ell$-isogeny path problem}},
	JOURNAL={LMS Journal of Computation and Mathematics},
	NOTE={(to appear)},
	MONTH={8},
	YEAR={2014},
}