If you don't have the tools to make it yourself, just run a search on ebay, that is the simple source for this kind of stuff. I always try to buy Cisco cables these days, as I have been working on some switches recently, some Cisco cables have the male DB 9 built in to one end of the cable.
http://search.ebay.com/search/search.dll?from=R40&satitle=Cisco+console+cab le