Is there a ruby equivalent of "using" to help with namespaces?

I’ve:

module Rfc2425
class DirectoryInfo
class Field
end
end
end

But doing Rfc2425::DirectoryInfo::Field.new is a little much. So much,
that I’m considering reorganizing things so that the line is shorter.
Perhaps rename DirectoryInfo to “Base”, maybe move Field back into
Rfc2425.

But… the way it is now is Right, why should I rearrange it to solve
an ease-of-use problem?

Is there another way, maybe that would allow:

using Rfc2425::DirectoryInfo::Field

Field.new

Thanks,
Sam