Crockford base-32 is somewhat traditional, but still better than the RFC 4648 standard.
It is specified at http://www.crockford.com/wrmg/base32.html.
Namespace: CryptSharp.UtilityAssembly: CryptSharp (in CryptSharp.dll) Version: 2.0.0.0
Syntax
public static BaseEncoding Crockford { get; private set; }
See Also