Hehe, yeah they hid VS 2012 quite well, but it's better to use VS 2013 anyways. SFML doesn't have binaries for VS 2013 yet, because SFML 2.1 doesn't really support it in the building script, however you can build SFML directly from source with CMake by following the official CMake tutorial of SFML.
Once I find time, I'll upload some new Nightly Builds with support for VS 2013.
As for the error, it means hat you're missing the redistribution for VS 2012, just quickly google and download it from Microsoft's website.