CGAL's manual suggests that there is no such implementation, if you know anything more let me know
N
For anyone interested:
"There is a CGAL implementation of an exact arrangement of Bezier curves ( http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Arrangement_on_surface_2/Chapter_main.html#Subsection_32.6.7 )" cheers Iddo Hanniel