StartElement startElement = StaxParserUtil.getNextStartElement(xmlEventReader);
StaxParserUtil.validate(startElement, requestedReferenceTag);
RequestedReferenceType ref = new RequestedReferenceType();
WSSecurityParser wsseParser = new WSSecurityParser();
SecurityTokenReferenceType secref = (SecurityTokenReferenceType) wsseParser.parse(xmlEventReader);
ref.setSecurityTokenReference(secref);
EndElement endElement = StaxParserUtil.getNextEndElement(xmlEventReader);
StaxParserUtil.validate(endElement, requestedReferenceTag);