FYI : Another official answer from RSA (May 2013)
FYI, here is the official answer I got from RSA (May 2013)
While we recognize the Blackberry 10 software token application is an important requirement for many of our RSA SecurID customers, we continue to explore the best way of achieving this and the most expedient means to deliver this feature. Please note that at this time we have not entered into an agreement with Blackberry and we do not have a definitive timeframe for delivery of a Blackberry 10 software token application.