There is a post here: http://java.itags.org/java-programming/164200/
You may find the tutorials on the NTRU
website helpful --
http://www.ntru.com/cryptolab is the
place to start.
Note that we encourage people to
develop and play with the algorithms
themselves, but you may not distribute
your implementation without a license
from NTRU.
================================
William Whyte, CTO, NTRU Cryptosystems
Perhaps this is why you cannot locate the source code, as you need a license.
