This is what is suggested in
http://www.debian.org/doc/debian-policy/ch-controlfields.html#s-f-VCS-fields
Build-Depends: debhelper (>= 9)
Standards-Version: 3.9.5
Homepage: http://git.ao2.it/kboot-utils.git
Build-Depends: debhelper (>= 9)
Standards-Version: 3.9.5
Homepage: http://git.ao2.it/kboot-utils.git
-Vcs-Git: git://git.ao2.it/kboot-utils.git
+Vcs-Git: git://git.ao2.it/kboot-utils.git -b debian
Vcs-Browser: http://git.ao2.it/kboot-utils.git
Package: kboot-utils
Vcs-Browser: http://git.ao2.it/kboot-utils.git
Package: kboot-utils