you will have to go into each directory named ref-xxxx then run: make additionalRandomTesting make additionalEncapTesting make additionalDecapTesting again for interoperability you will have to manually change between java and csharp in the code. make createKeyPairs make createEncaps make checkDecaps then run the produced executables.
NTRU is a submission to the second round of NIST's Post-Quantum Cryptography project. It is a merger of the first round NTRUEncrypt and NTRU-HRSS-KEM submissions. See ntru.org for more information.