Related papers: NP=PSPACE

The paper has been withdrawn due to a crucial error in section 3.

The paper has been withdrawn by the author.

The paper is withdrawn due to some errors.

This paper has been withdrawn by the authors

The paper has been withdrawn due to numerical error.

This paper has been withdrawn by the author due to rewritting and skipping crucial sign errors.

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to the incorrect argument for the security.

This paper has been withdrawn by the author due to imprecisions which must conduce to wrong results.

This paper has been withdrawn by the author, due to the insecurity against attacks received in quant-ph/0605027v5.

This paper has been withdrawn by the author due to some errors.

This paper has been withdrawn.

This paper has been withdrawn by author due to an error in the proof.

This paper has been withdrawn by the authors due to some fatal errors in the analysis.

This paper has been withdrawn because of serious errors.

This paper has been withdrawn by the author due to errors.

The paper was retracted.

This paper has been withdrawn by the author due to similarity to Author's other paper

This paper has been withdrawn by the author.

This paper has been withdrawn by the author due to an error.