New Post: 3.5 Source Code for release 2013.1.8?

I figured this out. If you open the solution (Renci.SshNet.sln) you'll see a project named Renci.SshNet.NET35. Build that and it will produce a DLL (Renci.SshNet.NET35\bin\Debug\Renci.SshNet.dll) that works in .NET 3.5. Hope this helps