In Repository Opensuse 13,1 the file media-gfx-kmp-…-i586.rpm and …-x86_64.rpm is missing
Repository: ftp://download.nvidia.com/opensuse/13.1/…
I think you should consider to post this in the Novell bugzilla:
see hints in here: [url]ftp://download.nvidia.com/opensuse/README[/url]