Related papers: Security bounds for the eavesdropping collective a…

This paper has been withdrawn.

This paper has been withdrawn by the author

This paper has been withdrawn by the author, due to the insecurity against attacks received in quant-ph/0605027v5.

This paper has been withdrawn

This paper has been withdrawn by the author due to the incorrect argument for the security.

This paper has been withdrawn.

This paper has been withdrawn by the author.

This paper has been withdrawn.

This paper has been withdrawn

This paper has been withdrawn.

This paper has been withdrawn.

The paper has been temporarily withdrawn.

This paper has been withdrawn by the author(s).The scheme presented is insecure.

This paper has been withdrawn

The paper was retracted.

This paper has been withdrawn due to security loophole. We thank Dr G. P. he for pointing this to us.

This paper has been withdrawn by the authour.

This paper has been withdrawn.

This paper has been withdrawn.

This paper has been withdrawn. See quant-ph/9806031 for a discussion.