If you use the Toolbox and want to cite it in a paper please use:
@ARTICLE{Corke96b,
	AUTHOR             = {P.I. Corke},
	JOURNAL            = {IEEE Robotics and Automation Magazine},
	MONTH              = mar,
	NUMBER             = {1},
	PAGES              = {24-32},
	TITLE              = {A Robotics Toolbox for {MATLAB}},
	VOLUME             = {3},
	YEAR               = {1996}
}